PASCO SPARK Science Learning System Ver. 1.4.0 User's Guide - Manual (Page 66)

6 Image capture
Measuring in a camera image
In the tool palette, touch the Zoom In button.
The display zooms in toward the center.
Zooming out
In the tool palette, touch the Zoom Out button.
The display zooms in toward the center.
Scale to fit
To show the entire image, touch the Scale-to-fit button.
Panning a camera image
You can view different parts of an image by panning, or touching a point on the image and drag
it left, right, diagonal, up, or down.
Measuring in a camera image
You can use a measurement tool on an image to measure the distance between two points. By
default, the distance is reported in pixels (px), but you can calibrate the measurement tool to
report the distance in other units. The following topics describe how to position and calibrate
measurement tools.
Placing a Measurement tool
Moving a Measurement tool
Deleting a Measurement tool
Calibrating camera image measurements
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